1 //===-- asan_stack.cc -----------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file is a part of AddressSanitizer, an address sanity checker. 11 // 12 // Code for ASan stack trace. 13 //===----------------------------------------------------------------------===// 14 #include "asan_internal.h" 15 #include "asan_flags.h" 16 #include "asan_stack.h" 17 18 namespace __asan { 19 20 static bool MaybeCallAsanSymbolize(const void *pc, char *out_buffer, 21 int out_size) { 22 return (&__asan_symbolize) ? __asan_symbolize(pc, out_buffer, out_size) 23 : false; 24 } 25 26 void PrintStack(StackTrace *stack) { 27 stack->PrintStack(stack->trace, stack->size, flags()->symbolize, 28 flags()->strip_path_prefix, MaybeCallAsanSymbolize); 29 } 30 31 } // namespace __asan 32 33 // ------------------ Interface -------------- {{{1 34 35 // Provide default implementation of __asan_symbolize that does nothing 36 // and may be overriden by user if he wants to use his own symbolization. 37 // ASan on Windows has its own implementation of this. 38 #if !defined(_WIN32) && !SANITIZER_SUPPORTS_WEAK_HOOKS 39 SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE NOINLINE 40 bool __asan_symbolize(const void *pc, char *out_buffer, int out_size) { 41 return false; 42 } 43 #endif 44
